Why are a variety of instruments needed to measure change in the climate system?

Acladogram is a branching diagram that represents suggested evolutionary relationships among organisms based on the presence of unique traits. a scientist discovers a new organism that lacks limbs and does not have a true backbone. the organism lays eggs to produce offspring and has a cartilage-like rod known as a notochord running along its dorsal surface. on the cladogram below, select the species to which the newly discovered organism is most closely related.

What is thought to have caused the mass extinction at the end of the cretaceous period?

Describe two recent or ongoing space missions.